Question

A 7-year-old boy presents with a petechial rash on his legs and a history of recent viral illness. Platelet count is 12 × 10⁹/L. He has minor bruising but no mucosal bleeding. What is the most likely diagnosis?

Accepted Answer

Idiopathic (immune) thrombocytopenic purpura

Answer

Acute lymphoblastic leukaemia

Answer

Disseminated intravascular coagulation

Answer

Haemophilia A

Answer

Henoch-Schönlein purpura

Practice question

A 7-year-old boy presents with a petechial rash on his legs and a history of recent viral illness. Platelet count is 12 × 10⁹/L. He has minor bruising but no mucosal bleeding. What is the most likely diagnosis?